Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Keeping the heat transfer surface clean None of these Enhancing the fluid pumping rate Increasing the tube length Keeping the heat transfer surface clean None of these Enhancing the fluid pumping rate Increasing the tube length ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the none of the listed here temperature of the body only nature of material of body wavelength of monochromatic radiation none of the listed here temperature of the body only nature of material of body wavelength of monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Either A, B or C Geometric Logarithmic Arithmetic Either A, B or C Geometric Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Lewis relationship Nusselt number Kutateladze number Froude number Lewis relationship Nusselt number Kutateladze number Froude number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Dirhing's Cox Mollier's Heisler's Dirhing's Cox Mollier's Heisler's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to surface tension forces buoyancy to inertial forces inertial to viscous forces. buoyancy to viscous forces buoyancy to surface tension forces buoyancy to inertial forces inertial to viscous forces. buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
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